Data Centre Critical Facilities Technician 24/7 Ops

Daniel Owen Ltd; City Of London; On-site; GBP 45,000 - 65,000; Full time

Benefits offered by this job

Shift allowance for 24/7 operations

Annual bonus

Private medical insurance

Life assurance

Paid training for HV, UPS, and special

certifications

Job summary

Daniel Owen Ltd in London is seeking a Critical Facilities Technician to maintain high‑availability mechanical and electrical systems in a data centre environment. You will oversee UPS, generators, switchgear, and cooling systems to ensure continuous operation and safety.

The role requires NVQ Level 3+ or equivalent in electrical or mechanical engineering, plus strong experience with UPS, cooling systems, and BMS monitoring. A career path can lead to senior technician or supervisory roles.

Qualifications

• Electrical or Mechanical engineering qualification is required.
• Strong understanding of UPS, generators, switch gear, and cooling systems.
• Experience in critical environments such as data centres or hospitals preferred.
• Ability to read technical drawings and follow SOPs/EOPs.
• Desirable: HV switching experience and F-Gas certification.

Responsibilities

• Perform routine maintenance on electrical and mechanical systems.
• Monitor BMS systems and respond to alarms.
• Support load testing, switching operations, and emergency procedures.
• Maintain cooling systems including CRAC/CRAH units and chillers.
• Ensure compliance with safety regulations and operational standards.
• Work with engineering teams during upgrades and expansions.

Skills

UPS systems

Generators

Switchgear

Cooling systems

Education

NVQ Level 3+ Electrical/Mechanical Engineering

City & Guilds

18th Edition

Job description

Daniel Owen Ltd in London is seeking a Critical Facilities Technician to maintain high‑availability mechanical and electrical systems in a data centre environment. You will oversee UPS, generators, switchgear, and cooling systems to ensure continuous operation and safety.

The role requires NVQ Level 3+ or equivalent in electrical or mechanical engineering, plus strong experience with UPS, cooling systems, and BMS monitoring. A career path can lead to senior technician or supervisory roles.